Portion of a computer screen with an icon image



FIG. 1 is a front elevation view of a portion of a computer screen with an icon image embodying our design; and,

FIG. 2 is an alternative image of a front elevation view thereof.

The broken line showing a portion of a computer screen is for illustrating environmental structure and forms no part of the claimed design. 

The ornamental design for a portion of a computer screen with an icon image, as shown and described. 